Your picture is much prettier than the one used as an example on Wikipedia! ( http://en.wikipedia.org/wiki/Digitalis_purpurea ).
We used to have them in the garden, and we put the flowers on our fingers, too. It’s even called thimbleweed over here. My mother used to get mad, because she told us already so many times that is was poisenous! That of course made the plant even more interesting 😉